<div class="form">
    <?php
    $form = $this->beginWidget('CActiveForm', array(
        'id' => 'comment-form',
        'enableAjaxValidation' => false,
    ));
    ?>

    <?php echo $form->labelEx($model, 'content'); ?>
    <br />
    <?php echo $form->textArea($model, 'content', array('rows' => 6, 'cols' => 70)); ?>
    <?php echo $form->error($model, 'content', array("style" => "color:red")); ?>
    <br />
    <?php echo CHtml::submitButton("Add Comment", array("class"=>"button")); ?>
    <?php $this->endWidget(); ?>
</div>